Solved Printer Stopped Extruding

Hi, my printer has been working fine and yesterday did a 5 hour print that came out just fine. Today I went to do another print and while it laid down the perimeter just fine the base fill was horrible, like it wasn't laying down full lines. Eventually it stopped extruding all together.

The nozzle heat is reading normal on the screen, but I can't push the filament through with the printer or by hand.

I suspect the nozzle (stock original) has given up the ghost, but thought I'd check here first in case I'm off base. Planning on getting a ED3 replacement, any other suggestions?

Thank you.

 

Thanks, I already have an oiler but I just checked it and it was bone dry. Oiled it and it seems to be working so far, think I might have overdone it though as it's having trouble sticking to the bed, but I'll get it sorted.

Thanks again.